Understanding the Changes to the Nasdaq-100 Index and Their Implications

By Patricia Miller

Jun 12, 2026

2 min read

The Nasdaq-100 index is adding five new AI-focused companies, reshaping its core and affecting investor strategies.

#What changes are happening in the Nasdaq-100 index?

The Nasdaq-100 index is undergoing a significant shift with the addition of five new companies on June 22. The new entrants are Astera Labs, CoreWeave, Nebius Group, Rocket Lab, and Teradyne. This change will also see the removal of five existing members: Charter Communications, Cognizant, Insmed, Verisk Analytics, and Zscaler.

#How do the new companies fit into the AI infrastructure landscape?

The newcomers to the Nasdaq-100 are heavily focused on AI infrastructure. Astera Labs specializes in high-speed connectivity solutions that facilitate communication between processors in AI data centers. CoreWeave provides cloud infrastructure optimized for Nvidia GPUs, which are essential for AI computations. Nebius Group, with roots in Yandex, concentrates on AI infrastructure through GPU clusters. Teradyne, a semiconductor testing equipment manufacturer, stands to gain from the increasing demand for chip testing due to broader semiconductor design and manufacturing trends.

#How did the market react to these changes?

The market responded swiftly to the announcement. Following the news, Rocket Lab shares surged nearly 7% in after-hours trading, and Nebius Group's stock increased by around 5%. The inclusion in the Nasdaq-100 triggers passive funds and ETFs that track this index to purchase shares of the newly listed companies, leading to increased demand. Conversely, the companies being removed are likely to face selling pressure from these funds.

#What implications arise from the companies being removed?

Companies like Cognizant and Charter Communications symbolize the more traditional, steady-growth tech firms that have historically populated the Nasdaq-100. Cognizant provides IT services, while Charter operates as a major cable provider in the U.S., struggling with challenges like cord cutting. Insmed is in the biopharmaceutical sector, and Verisk Analytics specializes in data analytics for the insurance industry.

#What should investors consider with this index rebalance?

For investors engaged with QQQ or any Nasdaq-100 tracking fund, this rebalancing signifies a notable increase in exposure to AI-focused companies. CoreWeave, which has only recently become public, and Nebius, still establishing its identity, join a list of other tech giants already present in the index. This shift accentuates the concentration of the Nasdaq-100 in the AI sector, prompting investors to carefully evaluate their portfolio strategy for optimal alignment with these themes.

Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.